Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * mfemp.c |
| 6 | * |
| 7 | * Feature EMP initialization functions |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: (Mem/Feat/ECC) |
| 12 | * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 2010) $ |
| 13 | * |
| 14 | **/ |
| 15 | /* |
| 16 | ***************************************************************************** |
| 17 | * |
| 18 | * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| 19 | * All rights reserved. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 20 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions are met: |
| 23 | * * Redistributions of source code must retain the above copyright |
| 24 | * notice, this list of conditions and the following disclaimer. |
| 25 | * * Redistributions in binary form must reproduce the above copyright |
| 26 | * notice, this list of conditions and the following disclaimer in the |
| 27 | * documentation and/or other materials provided with the distribution. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 28 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 29 | * its contributors may be used to endorse or promote products derived |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 30 | * from this software without specific prior written permission. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 31 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 33 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 35 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 36 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 37 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 38 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 39 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 40 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 41 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 42 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 43 | * *************************************************************************** |
| 44 | * |
| 45 | */ |
| 46 | |
| 47 | |
| 48 | |
| 49 | |
| 50 | #include "AGESA.h" |
| 51 | #include "mm.h" |
| 52 | #include "mn.h" |
| 53 | #include "Ids.h" |
| 54 | #include "GeneralServices.h" |
| 55 | #include "Filecode.h" |
| 56 | CODE_GROUP (G2_PEI) |
| 57 | RDATA_GROUP (G2_PEI) |
| 58 | |
| 59 | #define FILECODE PROC_MEM_FEAT_ECC_MFEMP_FILECODE |
| 60 | /*---------------------------------------------------------------------------- |
| 61 | * DEFINITIONS AND MACROS |
| 62 | * |
| 63 | *---------------------------------------------------------------------------- |
| 64 | */ |
| 65 | |
| 66 | /*---------------------------------------------------------------------------- |
| 67 | * TYPEDEFS AND STRUCTURES |
| 68 | * |
| 69 | *---------------------------------------------------------------------------- |
| 70 | */ |
| 71 | |
| 72 | /*---------------------------------------------------------------------------- |
| 73 | * PROTOTYPES OF LOCAL FUNCTIONS |
| 74 | * |
| 75 | *---------------------------------------------------------------------------- |
| 76 | */ |
| 77 | BOOLEAN |
efdesign98 | 84cbce2 | 2011-08-04 12:09:17 -0600 | [diff] [blame] | 78 | MemFInitEMP ( |
| 79 | IN OUT MEM_NB_BLOCK *NBPtr |
| 80 | ); |
| 81 | |
| 82 | BOOLEAN |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 83 | STATIC |
| 84 | IsPowerOfTwo ( |
| 85 | IN UINT32 TestNumber |
| 86 | ); |
| 87 | |
| 88 | /* |
| 89 | *----------------------------------------------------------------------------- |
| 90 | * EXPORTED FUNCTIONS |
| 91 | * |
| 92 | *----------------------------------------------------------------------------- |
| 93 | */ |
| 94 | |
| 95 | extern BUILD_OPT_CFG UserOptions; |
| 96 | |
| 97 | /* -----------------------------------------------------------------------------*/ |
| 98 | /** |
| 99 | * |
| 100 | * |
| 101 | * This function initializes EMP (Enhanced Memory Protection) |
| 102 | * |
| 103 | * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| 104 | * |
| 105 | * @return TRUE - This feature is enabled. |
| 106 | * @return FALSE - This feature is not enabled. |
| 107 | */ |
| 108 | |
| 109 | BOOLEAN |
| 110 | MemFInitEMP ( |
| 111 | IN OUT MEM_NB_BLOCK *NBPtr |
| 112 | ) |
| 113 | { |
| 114 | MEM_PARAMETER_STRUCT *RefPtr; |
| 115 | DIE_STRUCT *MCTPtr; |
| 116 | |
| 117 | ASSERT (NBPtr != NULL); |
| 118 | |
| 119 | RefPtr = NBPtr->RefPtr; |
| 120 | MCTPtr = NBPtr->MCTPtr; |
| 121 | if (RefPtr->EnableEccFeature) { |
| 122 | if (NBPtr->GetBitField (NBPtr, BFEnhMemProtCap) == 0) { |
| 123 | PutEventLog (AGESA_WARNING, MEM_WARNING_EMP_NOT_SUPPORTED, 0, 0, 0, 0, &NBPtr->MemPtr->StdHeader); |
| 124 | MCTPtr->ErrStatus[EsbEMPNotSupported] = TRUE; |
| 125 | } else if (RefPtr->EnableChannelIntlv || RefPtr->EnableBankIntlv || RefPtr->EnableBankSwizzle) { |
| 126 | PutEventLog (AGESA_WARNING, MEM_WARNING_EMP_CONFLICT, 0, 0, 0, 0, &NBPtr->MemPtr->StdHeader); |
| 127 | MCTPtr->ErrStatus[EsbEMPConflict] = TRUE; |
| 128 | } else if ((!MCTPtr->GangedMode) && |
| 129 | (!IsPowerOfTwo (MCTPtr->DctData[0].Timings.DctMemSize) && |
| 130 | !IsPowerOfTwo (MCTPtr->DctData[1].Timings.DctMemSize))) { |
| 131 | PutEventLog (AGESA_WARNING, MEM_WARNING_EMP_NOT_ENABLED, 0, 0, 0, 0, &NBPtr->MemPtr->StdHeader); |
| 132 | MCTPtr->ErrStatus[EsbEMPDis] = TRUE; |
| 133 | } else { |
| 134 | // Reduce memory size to 7/8 of the original memory size |
| 135 | ASSERT ((MCTPtr->NodeMemSize % 8) == 0); |
| 136 | NBPtr->SetBitField (NBPtr, BFDramHoleValid, 0); |
| 137 | MCTPtr->NodeMemSize = (MCTPtr->NodeMemSize / 8) * 7; |
| 138 | NBPtr->HtMemMapInit (NBPtr); |
| 139 | NBPtr->CpuMemTyping (NBPtr); |
| 140 | |
| 141 | // Enable EMP |
| 142 | NBPtr->SetBitField (NBPtr, BFDramEccEn, 1); |
| 143 | |
| 144 | // Scrub CTL settings for Dcache, L2 |
| 145 | NBPtr->SetBitField (NBPtr, BFL2Scrub, UserOptions.CfgScrubL2Rate); |
| 146 | NBPtr->SetBitField (NBPtr, BFDcacheScrub, UserOptions.CfgScrubDcRate); |
| 147 | |
| 148 | NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, UserOptions.CfgEccSyncFlood); |
| 149 | return TRUE; |
| 150 | } |
| 151 | } |
| 152 | return FALSE; |
| 153 | } |
| 154 | |
| 155 | /*---------------------------------------------------------------------------- |
| 156 | * LOCAL FUNCTIONS |
| 157 | * |
| 158 | *---------------------------------------------------------------------------- |
| 159 | */ |
| 160 | |
| 161 | /* -----------------------------------------------------------------------------*/ |
| 162 | /** |
| 163 | * |
| 164 | * |
| 165 | * This function checks to see if the input is power of two. |
| 166 | * |
| 167 | * @param[in] TestNumber - Value to check for power of two |
| 168 | * |
| 169 | * @return TRUE - is power of two |
| 170 | * FALSE - is not power of two |
| 171 | */ |
| 172 | BOOLEAN |
| 173 | STATIC |
| 174 | IsPowerOfTwo ( |
| 175 | IN UINT32 TestNumber |
| 176 | ) |
| 177 | { |
| 178 | return (BOOLEAN) ((TestNumber & (TestNumber - 1)) == 0); |
| 179 | } |